Life jacket



FIG. 1 is a perspective view of a life jacket showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a side elevation view thereof, the opposite side elevationview being a mirror image of that shown.

The ornamental design for a life jacket, as shown and described.